公开(公告)号：US06373786B1

公开(公告)日：2002-04-16

申请号：US09418591

申请日：1999-10-15

Applicant: Michael Kagan ,  Ian M. Solomon ,  Amir Genosar ,  Gil Sat

Inventor： Michael Kagan ,  Ian M. Solomon ,  Amir Genosar ,  Gil Sat

IPC: G04B4700

CPC classification number: G01K3/04 ,  B65D79/02

Abstract: The present invention provides a cap for a hermetically sealed container, said cap providing a visually observable indication of elapsed time from the opening of the seal of said container, said cap including means for releasing a chemical which effects a color change in a chamber formed therein, said chamber being provided with a transparent section for viewing the contents thereof and said released chemical effecting a cumulative color change of said section with time, the arrangement being such that manipulation of said cap to open said container and said seal effects activation of said releasing means.

Abstract translation: 本发明提供了一种用于密封容器的盖子，所述盖子提供从所述容器的密封件的打开开始经过的时间的视觉可见的指示，所述盖子包括用于释放在其中形成的腔室中产生颜色变化的化学品的装置 所述腔室设置有用于观察其内容物的透明部分，并且所述释放的化学物质随时间影响所述部分的累积颜色变化，所述布置使得所述盖子打开所述容器和所述密封件的操作实现所述释放的激活 手段。